CN109632492A - A kind of geotextiles device for testing tensile strength and its detection method - Google Patents
A kind of geotextiles device for testing tensile strength and its detection method Download PDFInfo
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- CN109632492A CN109632492A CN201910069478.2A CN201910069478A CN109632492A CN 109632492 A CN109632492 A CN 109632492A CN 201910069478 A CN201910069478 A CN 201910069478A CN 109632492 A CN109632492 A CN 109632492A
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- geotextiles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of geotextiles device for testing tensile strength and its detection methods, it is related to geotechnical process field, it includes bottom plate, the upper surface of the bottom plate is provided with motor, the output shaft of motor is provided with driving wheel, driving wheel is sequentially connected with two driven wheels respectively by two belts, and the outer surface of shaft is arranged in driven wheel.The geotextiles device for testing tensile strength and its method, pass through clamping plate, fixed plate, first support bar, second support bar, first tension sensor, second tension sensor, motor, driving wheel, driven wheel, cooperation between threaded post and thread cap, start motor and drives two threaded post rotations, threaded post will drive thread cap and transverse slat moves down, geotextiles can be stretched, the stress condition of geotextiles can be detected by tension sensor at this time, the understanding of the convenient tensile strength intensity to geotextiles, it can preferably determine the suitable environment used of geotextiles and guarantee its service life.
Description
Technical field
The present invention relates to geotechnical process field, specially a kind of geotextiles device for testing tensile strength and its detection side
Method.
Background technique
Geotextiles, also known as geotextile, it is that water penetration geotechnique made of being pierced or woven by needle by synthetic fibers synthesizes
Material.Geotextiles are that new material geosynthetics is one such, and finished product is cloth-like, and general width is 4~6 meters, and length is
50~100 meters.Geotextiles are divided into Woven geofabric and without spinning filament geotextiles.
Geotextiles majority is used in environment relevant to soil and ground, when being laid in soil, using in difference
The pulling force born in the soil of depth is not identical, it is therefore desirable to be apparent from the tensile strength of geotextiles, facilitate determination
Its depth used can guarantee using effect while guaranteeing its service life.
Summary of the invention
In order to solve in view of the deficiencies of the prior art, the present invention provides a kind of geotextiles device for testing tensile strength and its
Detection method can be removed and understand geotextiles use environment and depth, prevent from not knowing about its tensile strength causes cannot be correctly to it
The case where use, occurs, thus the problem of overcoming the performance that cannot give full play to geotextiles.
The present invention is achieved by the following technical solutions:
A kind of geotextiles device for testing tensile strength, including bottom plate, the upper surface of the bottom plate are provided with motor, motor
Output shaft is provided with driving wheel, and driving wheel is sequentially connected with two driven wheels respectively by two belts, and driven wheel setting is turning
The outer surface of axis, the surface of shaft are provided with bearing, and bearing is connected to the upper surface of bottom plate, and the top of shaft is provided with screw thread
Column.
The surface of threaded post is provided with thread cap, and the upper surface of transverse slat is arranged in thread cap, and the upper surface of transverse slat is provided with
Two the first carriages, the both ends of the first carriage are fixedly connected with the opposite face of bottom plate and top plate respectively, transverse slat it is upper
Surface is opened up there are two sliding slot, is provided with sliding block in sliding slot, the upper surface of sliding block is provided with first support bar, first support bar
Front is provided with the first tension sensor, and the upper surface of top plate is opened up there are two through-hole, and the front side of through-hole wall and rear side are distinguished
It is fixedly connected with the both ends of the second carriage.
The surface of second carriage is provided with second support bar, and the front of second support bar is provided with the second pull sensing
The opposite face of device, second support bar and first support bar is provided with clamping plate, and the back side of clamping plate passes through electric pushrod and support plate
Front be fixedly connected, and two support plates are separately positioned on the opposite face of top plate and transverse slat, and the opposite face of top plate and transverse slat
Fixed plate is provided with positioned at clamping plate forward position.
Preferably, the front of the clamping plate is provided with locating rod, and it is fixed that the position that fixed back corresponds to locating rod offers
Position slot, and the opposite face of fixed plate and clamping plate is provided with anti-skid bulge.
Preferably, first carriage includes the first slide bar, the both ends of the first slide bar respectively with top plate and top plate
Opposite face is fixedly connected, and the surface of the first slide bar is socketed with the first sliding sleeve, and the first sliding sleeve is connected to the upper surface of transverse slat.
Preferably, second carriage includes the second slide bar, and the both ends of the second slide bar are respectively and before through-hole wall
Side is fixedly connected with rear side, and the surface of the second slide bar is socketed with the second sliding sleeve, and the second sliding sleeve is connected to the front of second support bar.
Preferably, the upper surface of the top plate is provided with display device, the first tension sensor and the second tension sensor
It is electrically connected with display device.
A kind of detection method of geotextiles tensile strength, comprising the following steps:
Step 1: cloth to be tested can be fixed by electric pushrod (24), clamping plate (16) and fixed plate (25)；
Step 2: starting motor (2) moves down transverse slat (10), keeps transverse slat (10) mobile far from top plate (12), can be with
Cloth to be measured is detected.
Preferably, the operating process of the step 1 is as follows:
Cloth top and bottom end are put between clamping plate (16) and fixed plate (25), then making electric pushrod (24) work first
Make drive clamping plate (16) movement, after locating rod (22) is moved in locating slot (26), just completes the positioning to cloth.
Preferably, the operating process of the step 2 is as follows:
A, start motor (2), motor (2) drives driving wheel (3) rotation, and driving wheel (3) can drive two by belt (4)
The shaft (6) of side rotates in same direction, while threaded post (8) rotates, and can move down with motion plate (10)；
B, transverse slat (10) is moved down along the first slide bar (111), is stretched to cloth, can be passed by the first pulling force
The display situation of sensor (17) and the second tension sensor (21) in display device (27) judges with the variation for observing cloth
Detection case.
In the technical solution provided by the present invention, the work of the geotextiles device for testing tensile strength and its detection method
Principle and its operating method are as follows:
S1, the both ends of geotextiles are individually positioned between clamping plate 16 and fixed plate 25 first, while start electric pushrod
24, electric pushrod 24 drives clamping plate 16 to move forward at this time, after locating rod 22 is moved to locating slot 26, just completes to geotextiles
Positioning, close electric pushrod 24；
S2, start motor 2 at this time, motor 2 drives driving wheel 3 to rotate, while driving wheel 3 drives two sides by belt 4
Shaft 6 rotates, and threaded post 8 will drive transverse slat 10 while rotation and move down, while the bottom end of geotextiles can move down；
Its stress condition can be sent to display dress by S3, at this time the first tension sensor 17 and the second tension sensor 21
It sets in 27 and is shown, facilitate people more intuitive and the stress variation of geotextiles and metamorphosis are observed, work as completion
After the tensile strength detection of geotextiles, motor 2 can be closed.
The beneficial effects of the present invention are:
Compared with prior art, the present invention is passed by clamping plate, fixed plate, first support bar, second support bar, the first pulling force
Cooperation between sensor, the second tension sensor, motor, driving wheel, driven wheel, threaded post and thread cap, when needs are to geotechnique
When cloth tensile strength intensity is checked, geotextiles can be fixed by clamping plate and fixed plate first, starting motor drives two
A threaded post rotation, threaded post will drive thread cap and transverse slat moves down, and can stretch to geotextiles, pass through drawing at this time
Force snesor can detect the stress condition of geotextiles, the understanding of the convenient tensile strength intensity to geotextiles, can be with
It preferably determines the suitable environment used of geotextiles and guarantees its service life；
Meanwhile the present invention can be driven clamping plate to be moved forward and backward, be consolidated to geotextiles by setting electric pushrod
It is fixed, while clamping plate and the opposite face of fixed plate are provided with anti-skid bulge, can prevent from occurring during stretching geotextiles
The case where geotextiles are slided, it is ensured that the stabilization of geotextiles tensile strength intensity detection process.
Finally, the present invention is by setting display device, the numerical value of the first tension sensor and the second tension sensor can be with
It is shown in a display device after calculating, people is facilitated to observe the variation of pulling force and geotextiles state, so as to more straight
The tensile strength intensity of the understanding geotextiles of sight, the depth for understanding its use environment and using in the soil.
Detailed description of the invention
Fig. 1 faces the schematic diagram of the section structure for the geotextiles device for testing tensile strength；
Fig. 2 is the present invention looks up structural representation of the top plate；
Fig. 3 is the amplified structural schematic diagram of part A in Fig. 1.
In figure: 1 bottom plate, 2 motors, 3 driving wheels, 4 belts, 5 driven wheels, 6 shafts, 7 bearings, 8 threaded posts, 9 thread caps, 10
Transverse slat, 11 first carriages, 111 first slide bars, 112 first sliding sleeves, 12 top plates, 13 sliding slots, 14 sliding blocks, 15 first supports
Bar, 16 clamping plates, 17 first tension sensors, 18 through-holes, 19 second carriages, 191 second slide bars, 192 second sliding sleeves, 20
Two support rods, 21 second tension sensors, 22 locating rods, 23 support plates, 24 electric pushrods, 25 fixed plates, 26 locating slots, 27 are shown
Showing device.
Specific embodiment
The present invention is further described in detail With reference to embodiment, but technical solution provided by the invention
It not only include the content showed in embodiment.
Embodiment 1
As shown in Figure 1, 2, 3, geotextiles device for testing tensile strength described in framework, described device include bottom plate 1, bottom plate 1
Upper surface be provided with motor 2, by the way that motor 2 is arranged, driving wheel 3 and belt 4 can be passed through and drive shaft 6 and 8 turns of threaded post
It is dynamic, achieve the purpose that controlling transverse slat 10 moves up and down, and so as to stretch to geotextiles, reaches and carries out to its tensile strength
The purpose of detection, the output shaft of motor 2 are provided with driving wheel 3, and driving wheel 3 is passed with two driven wheels 5 respectively by two belts 4
The outer surface of shaft 6 is arranged in dynamic connection, driven wheel 5, and the surface of shaft 6 is provided with bearing 7, and bearing 7 is connected to the upper of bottom plate 1
Surface, the top of shaft 6 are provided with threaded post 8.
The surface of threaded post 8 is provided with thread cap 9, and the upper surface of transverse slat 10, the upper surface of transverse slat 10 is arranged in thread cap 9
There are two the first carriage 11, the first carriage 11 includes the first slide bar 111 for setting, and the both ends of the first slide bar 111 are distinguished
It is fixedly connected with the opposite face of top plate 12 and top plate 12, the surface of the first slide bar 111 is socketed with the first sliding sleeve 112, the first sliding sleeve
112 are connected to the upper surface of transverse slat 10, and the both ends of the first carriage 11 are fixed with the opposite face of bottom plate 1 and top plate 12 respectively to be connected
Connect, the upper surface of top plate 12 is provided with display device 27, the first tension sensor 17 and the second tension sensor 21 with display
Device 27 is electrically connected, and by being arranged display device 27, the numerical value of the first tension sensor 17 and the second tension sensor 21 can be with
It is shown in display device 27 after treatment, people is facilitated to observe the variation tendency of pulling force and geotextiles state, so as to
The tensile strength of more intuitive understanding geotextiles, the upper surface of transverse slat 10 are opened up there are two sliding slot 13, are provided in sliding slot 13
Sliding block 14, and sliding slot 13 is dovetail groove, can anti-limited slip block 14 teetertotter in sliding slot 13, and then people can be guaranteed to soil
Work cloth tensile strength detection data is more accurate, and the upper surface of sliding block 14 is provided with first support bar 15, first support bar 15
Front is provided with the first tension sensor 17, by the first tension sensor 17 of setting and the second tension sensor 21, can survey
The stress condition of geotextiles is measured, can be shown in display device 27 after measurement data by processing, the upper table of top plate 12
Face is opened up there are two through-hole 18, and the front side of 18 inner wall of through-hole and rear side are fixedly connected with the both ends of the second carriage 19 respectively,
Second carriage 19 includes the second slide bar 191, and the both ends of the second slide bar 191 are solid with the front side of 18 inner wall of through-hole and rear side respectively
Fixed connection, the surface of the second slide bar 191 are socketed with the second sliding sleeve 192, and the second sliding sleeve 192 is being connected to second support bar 20 just
Face, by the second slide bar 191 of setting and the second sliding sleeve 192, the process that electric pushrod 24 drives clamping plate 16 mobile is more smooth, side
Just geotextiles are positioned.
The surface of second carriage 19 is provided with second support bar 20, and the front of second support bar 20 is provided with the second drawing
The opposite face of force snesor 21, second support bar 20 and first support bar 15 is provided with clamping plate 16, the front setting of clamping plate 16
There is a locating rod 22, the position that 25 back side of fixed plate corresponds to locating rod 22 offers locating slot 26, and fixed plate 25 and clamping plate 16
Opposite face is provided with anti-skid bulge, passes through setting locating rod 22 and locating slot 26, it is ensured that stretch to geotextiles
When, guarantee opposite to slide between clamping plate 16 and fixed plate 25, it is ensured that the first tension sensor 17 and the second pulling force pass
The data that sensor 21 detects not will receive the influence of the frictional force of opposite sliding, and the back side of clamping plate 16 passes through electric pushrod 24 and branch
The front of fagging 23 is fixedly connected, by be arranged electric pushrod 24, clamping plate 16 can be driven to be moved forward and backward, to geotextiles into
Row is fixed, while clamping plate 16 and the opposite face of fixed plate 25 are provided with anti-skid bulge, can be prevented in the mistake for stretching geotextiles
Occurs the case where geotextiles sliding in journey, it is ensured that the stabilization of geotextiles tensile strength detection process, and two support plates 23
It is separately positioned on the opposite face of top plate 12 and transverse slat 10, and to be located at 16 forward position of clamping plate equal for the opposite face of top plate 12 and transverse slat 10
It is provided with fixed plate 25.
In the present embodiment, the tensile strength detection method of the geotextiles is as follows:
Step 1: cloth to be tested can be fixed by electric pushrod 24, clamping plate 16 and fixed plate 25；That is:
First by cloth top and bottom end put between clamping plate 16 and fixed plate 25, then make electric pushrod 24 work drive
Clamping plate 16 is mobile, after locating rod 22 is moved in locating slot 26, just completes the positioning to cloth；
Step 2: starting motor 2 moves down transverse slat 10, keeps transverse slat 10 mobile far from top plate 12, can be to cloth to be measured
Material is detected；That is:
Start motor 2, motor 2 drives driving wheel 3 to rotate, and driving wheel 3 can drive the shaft 6 of two sides same by belt 4
To rotation, while threaded post 8 rotates, and can move down with motion plate 10；
Transverse slat 10 is moved down along the first slide bar 111, is stretched to cloth, and the first tension sensor 17 can be passed through
Variation with display situation of second tension sensor 21 in display device 27 and observation cloth judges detection case.
In the present embodiment, the working principle and its operation of the geotextiles device for testing tensile strength and its detection method
Method is as follows:
S1, the both ends of geotextiles are individually positioned between clamping plate 16 and fixed plate 25 first, while start electric pushrod
24, electric pushrod 24 drives clamping plate 16 to move forward at this time, after locating rod 22 is moved to locating slot 26, just completes to geotextiles
Positioning, close electric pushrod 24；
S2, start motor 2 at this time, motor 2 drives driving wheel 3 to rotate, while driving wheel 3 drives two sides by belt 4
Shaft 6 rotates, and threaded post 8 will drive transverse slat 10 while rotation and move down, while the bottom end of geotextiles can move down；
Its stress condition can be sent to display dress by S3, at this time the first tension sensor 17 and the second tension sensor 21
It sets in 27 and is shown, facilitate people more intuitive and the stress variation of geotextiles and metamorphosis are observed, work as completion
After the tensile strength detection of geotextiles, motor 2 can be closed.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form, appoint
What without departing from technical solution of the present invention content, according to the technical essence of the invention any modification to the above embodiments, etc.
With variation and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (8)
1. a kind of geotextiles device for testing tensile strength, including bottom plate (1), which is characterized in that the upper surface of the bottom plate (1) is set
Be equipped with motor (2), the output shaft of motor (2) is provided with driving wheel (3), driving wheel (3) by two belts (4) respectively with two
Driven wheel (5) transmission connection, driven wheel (5) are arranged in the outer surface of shaft (6), and the surface of shaft (6) is provided with bearing (7),
Bearing (7) is connected to the upper surface of bottom plate (1), and the top of shaft (6) is provided with threaded post (8)；
The surface of threaded post (8) is provided with thread cap (9), and thread cap (9) is arranged in the upper surface of transverse slat (10), transverse slat (10)
Upper surface setting there are two the first carriage (11), the both ends of the first carriage (11) respectively with bottom plate (1) and top plate
(12) opposite face is fixedly connected, and the upper surface of transverse slat (10) is opened up there are two sliding slot (13), and sliding slot (13) is interior to be provided with sliding block
(14), the upper surface of sliding block (14) is provided with first support bar (15), and the front of first support bar (15) is provided with the first pulling force
Sensor (17), the upper surface of top plate (12) are opened up there are two through-hole (18), the front side of through-hole (18) inner wall and rear side respectively with
The both ends of second carriage (19) are fixedly connected；
The surface of second carriage (19) is provided with second support bar (20), and the front of second support bar (20) is provided with second
The opposite face of tension sensor (21), second support bar (20) and first support bar (15) is provided with clamping plate (16), clamping plate
(16) the back side is fixedly connected by electric pushrod (24) with the front of support plate (23), and two support plates (23) are respectively set
In the opposite face of top plate (12) and transverse slat (10), and the opposite face of top plate (12) and transverse slat (10) is located at clamping plate (16) forward position
It is provided with fixed plate (25).
2. a kind of geotextiles device for testing tensile strength according to claim 1, which is characterized in that the clamping plate (16)
Front is provided with locating rod (22), and the position that fixed plate (25) back side corresponds to locating rod (22) offers locating slot (26), and solid
The opposite face of fixed board (25) and clamping plate (16) is provided with anti-skid bulge.
3. a kind of geotextiles device for testing tensile strength according to claim 1, which is characterized in that the first sliding dress
Setting (11) includes the first slide bar (111), and the both ends of the first slide bar (111) are solid with the opposite face of top plate (12) and top plate (12) respectively
Fixed connection, the surface of the first slide bar (111) are socketed with the first sliding sleeve (112), and the first sliding sleeve (112) is connected to the upper of transverse slat (10)
Surface.
4. a kind of geotextiles device for testing tensile strength according to claim 1, which is characterized in that the second sliding dress
Setting (19) includes the second slide bar (191), and the both ends of the second slide bar (191) are fixed with the front side of through-hole (18) inner wall and rear side respectively
Connection, the surface of the second slide bar (191) are socketed with the second sliding sleeve (192), and the second sliding sleeve (192) is connected to second support bar (20)
Front.
5. a kind of geotextiles device for testing tensile strength according to claim 1, which is characterized in that the top plate (12)
Upper surface is provided with display device (27), and the first tension sensor (17) and the second tension sensor (21) are and display device
(27) it is electrically connected.
6. a kind of detection method of geotextiles tensile strength, which comprises the following steps:
Step 1: cloth to be tested can be fixed by electric pushrod (24), clamping plate (16) and fixed plate (25)；
Step 2: starting motor (2) moves down transverse slat (10), keeps transverse slat (10) mobile far from top plate (12), can treat
Cloth is surveyed to be detected.
7. a kind of detection method of geotextiles tensile strength according to claim 6, which is characterized in that the step 1
Operating process is as follows:
Cloth top and bottom end are put between clamping plate (16) and fixed plate (25), then making electric pushrod (24) work belt first
Dynamic clamping plate (16) are mobile, after locating rod (22) is moved in locating slot (26), just complete the positioning to cloth.
8. a kind of detection method of geotextiles tensile strength according to claim 6, which is characterized in that the step 2
Operating process is as follows:
A, start motor (2), motor (2) drives driving wheel (3) rotation, and driving wheel (3) can drive two sides by belt (4)
Shaft (6) rotates in same direction, while threaded post (8) rotates, and can move down with motion plate (10)；
B, transverse slat (10) is moved down along the first slide bar (111), is stretched to cloth, and the first tension sensor can be passed through
(17) and the variation of display situation of the second tension sensor (21) in display device (27) and observation cloth judges to detect
Situation.
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| CN201910069478.2A CN109632492A (en) | 2019-01-24 | 2019-01-24 | A kind of geotextiles device for testing tensile strength and its detection method |
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| CN201910069478.2A CN109632492A (en) | 2019-01-24 | 2019-01-24 | A kind of geotextiles device for testing tensile strength and its detection method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110411824A (en) * | 2019-08-17 | 2019-11-05 | 徐州云颐无纺布制品有限公司 | Measuring device is used in a kind of sale of cotton |
| CN110907619A (en) * | 2019-11-06 | 2020-03-24 | 生态环境部华南环境科学研究所 | Box type simulation experiment device for pollutant migration and conversion and oxygen balance mechanism |
| CN111650058A (en) * | 2020-05-14 | 2020-09-11 | 严立宏 | Pretreatment device and pretreatment method for textile bursting performance test |
| CN113466122A (en) * | 2021-06-04 | 2021-10-01 | 广州市跃谋建筑咨询有限公司 | Geotextile performance detection device for trapezoid grooves |
| CN114323989A (en) * | 2021-12-02 | 2022-04-12 | 泰安路德工程材料有限公司 | Tensile detection device based on geotechnical material |
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